Esters thereof

Esters thereof · Cooperative Patent Classification (CPC)

Chemical and metallurgical processes, compounds, and materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeC07F9/40
Official titleEsters thereof
Display labelEsters thereof
Total patents117

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
201516
201611
201721
201810
201922
202011
20218
20225
20234
20245
20253
20261

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC C07F9/40?
CPC C07F9/40 is the Cooperative Patent Classification code for “Esters thereof.”
How many patents are filed under CPC C07F9/40 (Esters thereof)?
Our database includes 117 publications tagged with this CPC code.
Is patent activity under CPC C07F9/40 growing?
Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).